http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112125825-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e2053291bd800cba96aba445af8a0d86 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C253-30 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C253-34 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C253-30 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C253-34 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C255-50 |
| filingDate | 2020-09-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0c6e70a830d491449fb86da07ac630ed |
| publicationDate | 2020-12-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-112125825-A |
| titleOfInvention | Preparation formula of 4' -bromomethyl-2-cyanobiphenyl |
| abstract | The invention relates to the technical field of pharmaceutical chemicals, and particularly discloses a preparation formula of 4' -bromomethyl-2-cyanobiphenyl, which is prepared from the following raw materials in parts by weight: 550-650 parts of organic solvent, 550-650 parts of water, 190-195 parts of 4' -methyl-2-cyanobiphenyl, 60-85 parts of bromide salt, 45-55 parts of bromate or chlorate, 150-250 parts of hydrochloric acid solution and 450-550 parts of recrystallization solvent. The invention overcomes the defects of the prior art, has mild reaction conditions, high reaction selectivity, less byproducts, small equipment corrosivity, simple operation, low cost, small environmental protection pressure, easy product separation, safe and easy operation of a bromination reagent, high utilization rate of bromine atoms, easy industrial production and high product purity. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112851549-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112898182-A |
| priorityDate | 2020-09-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 89.